ICS21.120.20J18JB/T9148-1999弹性块联轴器Resilientcouplingwithelastomer1999-06-28发布2000-01-01实施国家机械工业局发布()前言本标准是对ZBJ19029—90《弹性块联轴器》的修订。本标准与ZBJ19029—90的不同之处是:传力臂改为对称分布,轴孔长度优选L推荐,扩大了工作温度范围为–30~+120℃,缩小公称转矩为10000~3150000N·m,删去了带制动轮型及附录A联轴器选用说明。本标准自实施之日起代替ZBJ19029—90。本标准由全国机器轴与附件标准化技术委员会提出并归口。本标准起草单位:机械科学研究院、成都新星机械有限责任公司。本标准主要起草人:周明衡、李洪波。本标准于1990年9月首次发布。JB/T9148-1999()11范围本标准规定了LK型、LKA型弹性块联轴器(以下简称联轴器)的型式与参数、技术要求、检验规则、标志、包装和贮存等。本标准适用于联接两同轴线的大、中功率的振动冲击较大的传动轴承系,具有一定补偿两轴相对偏移和减振、缓冲性能,工作温度为–30~+120℃,传递公称转矩为10000~3150000N·m的联轴器。2引用标准下列标准所包含的条文,通过在本标准中引用而构成为本标准的条文。本标准出版时,所示版本均为有效。所有标准都会被修订,使用本标准的各方应探讨使用下列标准最新版本的可能性。GB/T93—1987标准型弹簧垫圈GB/T119—1986圆柱销GB191—1990包装储运图示标志GB/T528—1992硫化橡胶和热塑性橡胶拉伸性能的测定GB/T531—1993硫化橡胶邵尔A硬度试验方法GB/T1683—1981硫化橡胶恒定变形压缩永久变形的测定方法GB/T3098.1—1982紧固件机械性能螺栓、螺钉和螺柱GB/T3098.2—1982紧固件机械性能螺母GB/T3512—1982橡胶热空气老化试验方法GB/T3852—1997联轴器轴孔和联结型式与尺寸GB/T4879—1985防锈包装GB/T6388—1986运输包装收发货标志GB/T6557—1986挠性转子的机械平衡GB/T11352—1989一般工程用铸造碳钢件GB/T12458—1990机械式联轴器分类GB/T13384—1992机电产品包装通用技术条件JB/T6397—1992大型碳素结构钢锻件3分类3.1型式联轴器分为两种型式,见表1。国家机械工业局1999-06-28批准中华人民共和国机械行业标准弹性块联轴器ResilientcouplingwithelastomerJB/T9148-1999代替ZBJ19029—902000-01-01实施JB/T9148-19992表1联轴器型式序号型式代号名称1LK型基本型2LKA型安全销型3.2型号、标记联轴器型号与标记按GB/T12458的规定。3.3结构型式、基本参数和主要尺寸轴孔型式按GB/T3852,轴孔长度优选L推荐。3.3.1LK型——基本型,型式、参数和主要尺寸应符合图1和表2的规定。1、6—半联轴器;2—传力臂;3—锥套;4—垫圈;5—螺母;7—弹性块;8—螺栓;9—压板图1LK型(基本型)联轴器JB/T9148-19993表2LK型联轴器基本参数和主要尺寸轴孔长度Y型J1型型号公称转矩TnN·m许用转速[n]r/min轴孔直径d1,d2mmLmmL1mmL推荐mmDmmBmmSmm质量mkg转动惯量Ikg·m285,90,95172132LK1100001950100,110,120212167150370190125495172132100,110,120,125212167LK21600017501302522021704152082005.2110,120,125212167LK3250001600130,140,1501854502252656.3130,140,150252202LK4400001400160,170,180210520260533821.5160,170,180302242LK5630001200190,200,22023060027558026.6190,200,220352282LK61000001170240,250,26041033026062028562529.3220352282240,250,260410330LK7125000108028047038028067029578055240,250,260410330LK8160000990280,300,32047038030073030588080260410330280,300,320470380LK920000095034055045032076031561075100280,300,320470380LK10250000920340,3605504503457903451270120300,320470380LK11315000820340,360,3805504503608503801545192320470380340,360,380550450LK1240000079040065054038091042071820255360,380550450LK13500000750400,420,4404009604602245332LK14630000690400,420,440450,460,480450105050582670520440,450,460480,500650540LK1590000060053080068050012005504401708460,480,500650540LK161250000535530,56052013505701048701248LK171600000480530,560,600,630600150065059001930560,600,630800680LK182000000450670900780650160073070002650630800680LK192500000420670,710,750680170078088504080710,750900780LK203150000380800,8501000880750190082012120605500注1质量、转动惯量为近似值。2瞬时最大转矩不得超过公称转矩Tn的1.5倍。JB/T9148-199943.3.2LKA型——安全销型,型式、参数和主要尺寸应符合图2和表3的规定。1、27—半联轴器;2、16、21、23—螺栓;3、14、17、24—垫圈;4、20—压板;5—传力臂;6—锥套;7—垫;8、13—螺母;9—安全销;10—销套;11—碟簧;12—压环;15—摩擦环;18—弹性块;19—销罩;22—止推环;25—轴承;26—中间盘图2LKA型(安全销型)联轴器表3LKA型联轴器基本参数和主要尺寸轴孔长度Y型J1型型号公称转矩TnN·m许用转速[n]r/min轴孔直径d1,d2mmLmmL1mmL推荐mmDmmBmmSmm质量mkg转动惯量Ikg·m285,90,95172132LKA1100001275100,110,1202121671505002452584.3295172132100,110,120,125212167LKA21600011951302522021705502503646.10110,120,125212167LKA3250001100130,140,1501856002604627.32130,140,150252202LKA4400001020160,170,180302242210700280570022.35JB/T9148-19995表3(完)轴孔长度Y型J1型型号公称转矩TnN·m许用转速[n]r/min轴孔直径d1,d2mmLmmL1mmL推荐mmDmmBmmSmm质量mkg转动惯量Ikg·m2160,170,180302242LKA563000955190,200,220230750300579035.1190,200,220352282LKA6100000890240,250,26041033026080032585065.3220352282240,250,260410330LKA7125000750280470380280900345693083.2240,250,260410330LKA8160000630280,300,32047038030010003701200100260410330280,300,320470380LKA9200000595340550450320110039571500140280,300,320470380LKA10250000560340,36055045034511504251810185300,320470380LKA11315000500340,360,38055045036012004502300249320470380340,360,380550450LKA12400000450400650540380130048582800382360,380550450LKA13500000410400,420,44040014005203400515LKA14630000320400,420,440450,460,48045015505704520902440,450,460480,500650540LKA1590000025053080068050017506501066101630460,480,500650540LKA161250000225530,56052019007201293002790LKA171600000220530,560,600,6306002080765117003950560,600,630800680LKA1820000001906709007806502200800134005300630800680LKA192500000155670,710,7506802300915156707296710,750780LKA203150000130800,850—88075025001040151989010650注1质量、转动惯量为近似值。2瞬时最大转矩不得超过公称转矩Tn的1.5倍。3.3.3弹性块结构型式和主要尺寸应符合图3和表4、表5的规定。JB/T9148-19996图3弹性块表4LK型弹性块主要尺寸mm主要尺寸型号HRR1R2αLK1904217288LK2984619410215°LK310649205107LK412358238122LK513060275155LK613663283157LK714065312182LK81456734220810°LK915572368224LK1016979396238LK1118688431255LK1220698462266LK13220105505295LK14240115555325LK15260125620370LK16280134677409LK17319152742438LK18355169809471LK19380180872512LK204001909585788°30′JB/T9148-19997表5LKA型弹性块主要尺寸mm主要尺寸型号HRR1R2αLKA18032180116LKA29235200130LKA310038220144LKA410543246160LKA510848274178LKA611253304198LKA711655353243LKA812056386274LKA912558425309LKA1013060442322LKA1114065465335LKA1214770505365LKA1315572545400LKA1417080612452LKA1519090690510LKA16215102752548LKA17235